<script lang="ts" setup name="LoginForm">
import { ref } from 'vue';
import Message from '@/components/message'
import useStore from '@/store'
import {useRouter} from 'vue-router';
import {useField,useForm} from 'vee-validate'
import { watch } from 'vue';

const {user} = useStore()
const router = useRouter()

// 设置账号登录与手机登录切换
const activeName = ref<'account'|'mobile'>('account')

// 账号登录功能
const {validate,resetForm} = useForm({
  validationSchema:{
    account(value:string){
      if(!value) return '请输入用户名'
      if(!/^[a-zA-Z]\w{2,19}$/.test(value)) return '字母开头且3-20个字符'
      // 校验成功
      return true
    },
    password(value:string){
      if (!value) return '请输入密码'
      if (!/^\w{6,12}$/.test(value)) return '密码必须是6-24位字符'
      return true
    },
    isAgree(value:boolean){
      if(!value) return '请同意隐私条款'
      return true
    },
    mobile(value:string){
      if (!value) return '请输入手机号'
      if (!/^1[3-9]\d{9}$/.test(value)) return '手机号格式错误'
      return true
    },
    code(value:string){
      if (!value) return '请输入验证码'
      if (!/^\d{6}$/.test(value)) return '验证码格式错误'
      return true
    }
  }
})

const {value:account,errorMessage:accountError} = useField<string>('account')
const {value:password,errorMessage:passwordError}  = useField<string>('password')
const {value:isAgree,errorMessage:isAgreeError}  = useField<boolean>('isAgree')
const {value:mobile,errorMessage:mobileError,validate:validateMobile}  = useField<string>('mobile')
const {value:code,errorMessage:codeError}  = useField<string>('code')

const login = async ()=>{
  // 1.数据合法性校验
  // 2.ajax实现登录
  // 3.成功时获取用户信息token
  // 4.跳转

  // 1.兜底校验
  const res = await validate()
  
  // 2.ajax实现登录(pinia)
  if(activeName.value==='account'){
    if(res.errors.account||res.errors.password||res.errors.isAgree) return 
    // 账号登录
    await user.login(account.value,password.value)
  }else {
    // 手机号登录
    if(res.errors.mobile || res.errors.code||res.errors.isAgree) return 
    await user.mobileLogin(mobile.value,code.value)
  }
 
  // 4.跳转到首页
  router.push('/')
 
 
}

// 账号登录与手机登录切换时重置表单
watch(activeName,()=>{
  resetForm()
})

// 获取验证码
const mobileRef = ref<null | HTMLInputElement>(null)
const time = ref(0)//初始值
let timer = -1
const send = async ()=>{
 if(time.value > 0) return 
 
  // 1.获取手机号   校验
  const {valid} = await validateMobile()
  if(!valid) {
    // 手机号表单获取焦点
    mobileRef.value!.focus()
    return 
  }
  
  // 2.发送手机号到服务器
  await user.sendMobileMsg(mobile.value)
  Message.success("验证码发送成功，请稍候")

  // 3.倒计时效果
  time.value = 60
  timer = window.setInterval(()=>{
    if(time.value<=0){
      time.value = 0
      clearInterval(timer)
      return 
    }
    time.value--
  },1000)

 
}

</script>
<template>
  <div class="account-box">
    <div class="toggle">
      <a href="javascript:;" v-if="activeName!=='account'" @click="activeName='account'">
        <i class="iconfont icon-user"></i> 使用账号登录
      </a>
      <a href="javascript:;" v-else @click="activeName='mobile'">
        <i class="iconfont icon-msg"></i> 使用短信登录
      </a>
    </div>
    <div class="form">
      <template v-if="activeName==='account'">
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <input type="text" placeholder="请输入用户名或手机号" v-model="account" />
          </div>
          <div class="error" v-if="accountError">
            <i class="iconfont icon-warning" />{{ accountError }}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-lock"></i>
            <input type="password" placeholder="请输入密码" v-model="password"/>
          </div>
          <div class="error" v-if="passwordError">
            <i class="iconfont icon-warning" />{{ passwordError }}
          </div>
        </div>
      </template>
      <template v-else>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <input type="text" placeholder="请输入手机号" v-model="mobile" ref="mobileRef"/>
          </div>
          <div class="error" v-if="mobileError">
            <i class="iconfont icon-warning" />{{ mobileError }}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-code"></i>
            <input type="password" placeholder="请输入验证码" v-model="code"/>
            <span class="code" @click="send">
              {{time===0 ? '发送验证码':`还剩${time}秒`}}
            </span>
          </div>
          <div class="error" v-if="codeError">
            <i class="iconfont icon-warning" />{{ codeError }}
          </div>
        </div>
      </template>
      <div class="form-item">
        <div class="agree">
          <SealCheckbox v-model="isAgree">
            <span>我已同意</span>
          </SealCheckbox>
          <a href="javascript:;">《隐私条款》</a>
          <span>和</span>
          <a href="javascript:;">《服务条款》</a>
        </div>
        <div class="error" v-if="isAgreeError">
            <i class="iconfont icon-warning" />{{ isAgreeError }}
          </div>
      </div>
      <a href="javascript:;" class="btn" @click="login">登录</a>
    </div>
    <div class="action">
      <img
        src="https://qzonestyle.gtimg.cn/qzone/vas/opensns/res/img/Connect_logo_7.png"
        alt=""
      />
      <div class="url">
        <a href="javascript:;">忘记密码</a>
        <a href="javascript:;">免费注册</a>
      </div>
    </div>
  </div>
</template>

<style scoped lang="less">
// 账号容器
.account-box {
  .toggle {
    padding: 15px 40px;
    text-align: right;
    a {
      color: @sealColor;
      i {
        font-size: 14px;
      }
    }
  }
  .form {
    padding: 0 40px;
    &-item {
      margin-bottom: 28px;
      .input {
        position: relative;
        height: 36px;
        > i {
          width: 34px;
          height: 34px;
          background: #cfcdcd;
          color: #fff;
          position: absolute;
          left: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 18px;
        }
        input {
          padding-left: 44px;
          border: 1px solid #cfcdcd;
          height: 36px;
          line-height: 36px;
          width: 100%;
          &.error {
            border-color: @priceColor;
          }
          &.active,
          &:focus {
            border-color: @sealColor;
          }
        }
        .code {
          position: absolute;
          right: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 14px;
          background: #f5f5f5;
          color: #666;
          width: 90px;
          height: 34px;
          cursor: pointer;
        }
      }
      > .error {
        position: absolute;
        font-size: 12px;
        line-height: 28px;
        color: @priceColor;
        i {
          font-size: 14px;
          margin-right: 2px;
        }
      }
    }
    .agree {
      a {
        color: #069;
      }
    }
    .btn {
      display: block;
      width: 100%;
      height: 40px;
      color: #fff;
      text-align: center;
      line-height: 40px;
      background: @sealColor;
      &.disabled {
        background: #cfcdcd;
      }
    }
  }
  .action {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    img {
      cursor: pointer;
    }
    .url {
      a {
        color: #999;
        margin-left: 10px;
      }
    }
  }
}
</style>
